RHSA-2025:10828 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support EXTENSION.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: um: Fix out-of-bounds read in LDT setup (CVE-2022-49395)
• kernel: mt76: fix use-after-free by removing a non-RCU wcid pointer (CVE-2022-49328)
• kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry() (CVE-2022-49846)
• kernel: net: atlantic: fix aq_vec index out of range error (CVE-2022-50066)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

• BZ - 2347899 - CVE-2022-49395 kernel: um: Fix out-of-bounds read in LDT setup
• BZ - 2348217 - CVE-2022-49328 kernel: mt76: fix use-after-free by removing a non-RCU wcid pointer
• BZ - 2363432 - CVE-2022-49846 kernel: udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
• BZ - 2373683 - CVE-2022-50066 kernel: net: atlantic: fix aq_vec index out of range error

CVEs

• CVE-2022-49328
• CVE-2022-49395
• CVE-2022-49846
• CVE-2022-50066

References

• https://access.redhat.com/security/updates/classification/#important